Finding the Fourth Proportional to 87,115,905.44, 130,672,972.26 and 22,419,459.08
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Solution
The fourth proportional to 87,115,905.44, 130,672,972.26 and 22,419,459.08 is: 33,628,960.63
Step by Step Solution
- Step 1: Write the proportion equation
87,115,905.44 : 130,672,972.26 = 22,419,459.08 : x - Step 2: Convert to fraction form
87,115,905.44/130,672,972.26 = 22,419,459.08/x - Step 3: Cross multiply
87,115,905.44x = 130,672,972.26 × 22,419,459.08 - Step 4: Simplify right side
87,115,905.44x = 2,929,617,354,445,045 - Step 5: Solve for x
x = 2,929,617,354,445,045/87,115,905.44 - Step 6: Final answer
x = 33,628,960.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.